Luke 13:24
And he said to him, Strive to enter in thro' the strait gate; for many, I say to you, will seek to enter in, and shall not be able.
Matthew 7:13-14
Enter ye in thro' the straight gate: for wide is the gate and broad is the way that leadeth to destruction, and many there are that go in thro' it:
Matthew 11:12
And from the days of John the Baptist till now, the kingdom of heaven is entered by force, and they which strive with all their might take it by violence.
Mark 6:18-20
For John had said to Herod, It is not lawful for thee, to have thy brother's wife.
Luke 21:36
Watch ye therefore and pray always, that ye may be counted worthy to escape all these things which will come to pass, and to stand before the Son of man.
John 6:27
Labour not for the meat which perisheth, but for that which endureth to everlasting life, which the Son of man will give you; for him hath God the Father sealed.
John 7:34
Ye shall seek, and shall not find me, and where I am, ye cannot come.
John 8:21
Then said Jesus again to them, I go, and ye shall seek me, and shall die in your sin.
John 13:33
Little children, yet a little while I am with you: ye shall seek me, and as I said to the Jews, Whither I go ye cannot come, so now I say to you.
Romans 9:31-33
But Israel following after the law of righteousness, hath not attained to the law of righteousness.
Romans 10:3
For they being ignorant of the righteousness of God, and seeking to establish their own righteousness, have not submitted to the righteousness of God.
1 Corinthians 9:24-27
Know ye not, that they who run in the race, all run, but one receiveth the prize? so run that ye may obtain.
Philippians 2:12-13
Wherefore, my beloved, as ye have always obeyed, not as in my presence only, but much more now in my absence, work out your own salvation with fear and trembling.
Colossians 1:29
For which also I labour, striving according to his mighty working, who worketh in me mightily.
Hebrews 4:11
Let us labour, therefore, to enter into that rest, lest any one should fall, after the same example of unbelief.
2 Peter 1:10
Wherefore the rather, brethren, be diligent to make your calling and election firm; for if ye do these things, ye shall never fall.